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Embed alpha image on non-transparent background #204

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Lovell Fuller
2015-04-29 20:14:45 +01:00
parent 783826aa26
commit 33782d3c83
2 changed files with 19 additions and 1 deletions
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2
src/resize.cc
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@@ -593,7 +593,7 @@ class ResizeWorker : public NanAsyncWorker {
}
// Create background
VipsArrayDouble *background;
if (baton->background[3] < 255.0) {
if (baton->background[3] < 255.0 || HasAlpha(image)) {
background = vips_array_double_newv(
4, baton->background[0], baton->background[1], baton->background[2], baton->background[3]
);